20811254

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:811

約数の個数: 16

約数和(自身を含む): 31776192

約数和(自身を除く): 10964938

約数列:

[1, 2, 83, 166, 283, 443, 566, 886, 23489, 36769, 46978, 73538, 125369, 250738, 10405627, 20811254]

約数ペア:

[(1, 20811254), (2, 10405627), (83, 250738), (166, 125369), (283, 73538), (443, 46978), (566, 36769), (886, 23489)]